Notes­9.9 Laws of Exponents Notes
September 09, 2015
9.9
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Notes­9.9 Laws of Exponents Notes
Good Day!
September 09, 2015
8 September 2015
Homework: Think about It Problem 2 due Friday 9.11
Weekly Exercises 2 due Monday 9.14
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1 A B C D 3
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2 A B C D 4
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Reasoning
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POWERS
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exponent
Power
base
53 means 3 factors of 5 or 5 x 5 x 5 7
Notes­9.9 Laws of Exponents Notes
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Exponential form:
The exponent of a power indicates how many times the base is used as a factor
n factors of x
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Zero Law of Exponents: Any base powered by zero exponent equals one.
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Negative Exponents:
If the base is powered by the negative exponent, then the base becomes reciprocal with the positive exponent.
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Laws of exponents
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Multiplying Powers: If you are multiplying powers with the same base, KEEP the BASE & ADD the EXPONENTS
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Compute:
5
2
(4 )(4 )
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Dividing Powers:
When dividing Powers with the same base, KEEP the BASE & SUBTRACT the EXPONENTS
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SOLUTIONS
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SOLUTIONS
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Power of a Power: If you are raising a Power to an exponent, you MULTIPLY the EXPONENTS
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Compute:
(45 )2
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Try these:
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SOLUTIONS
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SOLUTIONS
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SOLUTIONS
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SOLUTIONS
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Learning Stations
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